Twenty-high rolling mill roll box turning device

Abstract

The invention relates to a turning device for a roller box of a twenty-high roll mill. The turning device comprises carrier roller modules, a clutch module and a driving module, wherein two carrier roller modules are arranged at an interval; rotating sleeves which are mounted on the surfaces of an upper roller box on the same side are in pressed connection with the carrier roller modules; and one of the rotating sleeves is connected with the driving module through the clutch module. In the turning device provided by the invention, the rotating sleeves are firstly mounted on two symmetrical side walls of the upper roller box, and then a crown block is utilized to wholly lift the upper roller box connected with the rotating sleeves to the two carrier roller modules, the clutch module is started, a torque of the driving module is transferred to the rotating sleeves so as to drive the upper roller box to rotate, and after the upper roller box rotates to a proper position, the four corners of the upper roller box are supported by four positioning modules, thereby finishing the turning of the upper roller box; the whole turning process is automatically finished, without requirement for manpower; the working efficiency is ultrahigh; and the safety of operators is ensured.

Description

technical field [0001] The invention relates to the technical field of roll system supporting structures of a twenty-high rolling mill, in particular to a roll box turning device for a twenty-high rolling mill. Background technique [0002] The structure of the twenty-high rolling mill is complicated, including the outer mounting frame, the upper roll box, the lower roll box, the roll system and other auxiliary parts. The roller system is installed between the roller boxes, and the two symmetrical side walls of the upper roller box are equipped with a positioning shaft and two lifting shafts that cooperate with the outer mounting frame. [0003] After a long period of use, it is necessary to remove the upper roll box, then turn it over, and the operator will complete the inspection inside the upper roll box or the safe replacement of the backing roller. Since the center of gravity of the upper roll box is installed with a roller suspension oil cylinder, There is no way to s...

AI Technical Summary

Problems solved by technology

In the above process, the upper roller box is heavy, and a crane of about 100 tons is required to complete the flip. The requirements for site equipment are relatively strict, and the operator needs to go forward frequently to tie and remove the thread, which is very unsafe.

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